The Province of Caserta (Italian: Provincia di Caserta) is a province in the Campania region of Italy. Its capital is the city of Caserta, situated about 36 kilometres (22 mi) by road north of Naples. The province has an area of 2,651.35 square kilometres (1,023.69 sq mi), and a total population of 924,414 as of 2016. The Palace of Caserta is located near to the city, a former royal residence which was constructed for the Bourbon kings of Naples. It was the largest palace and one of the largest buildings erected in Europe during the 18th century. In 1997, the palace was designated a UNESCO World Heritage Site.